87781140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25667}}^1$

素因数の和:25701

約数の個数: 72

約数和(自身を含む): 280294560

約数和(自身を除く): 192513420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 25667, 51334, 77001, 102668, 128335, 154002, 231003, 256670, 308004, 385005, 462006, 487673, 513340, 770010, 924012, 975346, 1155015, 1463019, 1540020, 1950692, 2310030, 2438365, 2926038, 4389057, 4620060, 4876730, 5852076, 7315095, 8778114, 9753460, 14630190, 17556228, 21945285, 29260380, 43890570, 87781140]

約数ペア:

[(1, 87781140), (2, 43890570), (3, 29260380), (4, 21945285), (5, 17556228), (6, 14630190), (9, 9753460), (10, 8778114), (12, 7315095), (15, 5852076), (18, 4876730), (19, 4620060), (20, 4389057), (30, 2926038), (36, 2438365), (38, 2310030), (45, 1950692), (57, 1540020), (60, 1463019), (76, 1155015), (90, 975346), (95, 924012), (114, 770010), (171, 513340), (180, 487673), (190, 462006), (228, 385005), (285, 308004), (342, 256670), (380, 231003), (570, 154002), (684, 128335), (855, 102668), (1140, 77001), (1710, 51334), (3420, 25667)]